From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: Yet another base64 patch Date: Thu, 14 Apr 2005 09:58:58 -0700 Message-ID: <425EA152.4090506@zytor.com> References: <425DEF64.60108@zytor.com> <20050414022413.GB18655@64m.dyndns.org> <425E0174.4080404@zytor.com> <20050414024228.GC18655@64m.dyndns.org> <425E0D62.9000401@zytor.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Christopher Li , git@vger.kernel.org X-From: git-owner@vger.kernel.org Thu Apr 14 18:59:19 2005 Return-path: Received: from vger.kernel.org ([12.107.209.244]) by ciao.gmane.org with esmtp (Exim 4.43) id 1DM7fD-0008JR-DS for gcvg-git@gmane.org; Thu, 14 Apr 2005 18:57:59 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261548AbVDNRA5 (ORCPT ); Thu, 14 Apr 2005 13:00:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261550AbVDNRA5 (ORCPT ); Thu, 14 Apr 2005 13:00:57 -0400 Received: from terminus.zytor.com ([209.128.68.124]:15242 "EHLO terminus.zytor.com") by vger.kernel.org with ESMTP id S261548AbVDNQ7z (ORCPT ); Thu, 14 Apr 2005 12:59:55 -0400 Received: from [172.27.3.248] (c-67-169-23-106.hsd1.ca.comcast.net [67.169.23.106]) (authenticated bits=0) by terminus.zytor.com (8.13.1/8.13.1) with ESMTP id j3EGx0Qu008359 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 14 Apr 2005 09:59:11 -0700 User-Agent: Mozilla Thunderbird 1.0.2-1.3.2 (X11/20050324) X-Accept-Language: en-us, en To: Linus Torvalds In-Reply-To: X-Spam-Status: No, score=-5.9 required=5.0 tests=ALL_TRUSTED,BAYES_00 autolearn=ham version=3.0.2 X-Spam-Checker-Version: SpamAssassin 3.0.2 (2004-11-16) on terminus.zytor.com Sender: git-owner@vger.kernel.org Precedence: bulk X-Mailing-List: git@vger.kernel.org Linus Torvalds wrote: > > I'll tell you why a flat object directory format simply isn't an option. > > Hint: maximum directory size. It's limited by n_link, and it's almost > universally a 16-bit number on Linux (and generally artifically limited to > 32000 entries). > > In other words, if you ever expect to have more than 32000 objects, a flat > space simply isn't possible. > Eh?! n_link limits the number of *subdirectories* a directory can contain, not the number of *entries*. -hpa